Salsa Swiss Steak

2 pounds round steak

2 green/red sweet peppers, sliced

1 medium onion, sliced

1 can cream of mushroom soup

1 cup salsa

2 tablespoons flour

1 teaspoon dry mustard

Trim fat from steak and cut into 6 serving sized pieces. Put in slow cooker with onion and peppers. In medium sized bowl mix soup, salsa, flour and mustard. Add to crock pot and mix a little. Cook on low 9 to 10 hours or high 4 1/2 to 5 hours.